kartik\grid\ColumnTrait::parseFormat PHP Method

    protected function parseFormat()
    {
        if ($this->isValidAlignment()) {
            $class = "kv-align-{$this->hAlign}";
            Html::addCssClass($this->headerOptions, $class);
            Html::addCssClass($this->pageSummaryOptions, $class);
            Html::addCssClass($this->footerOptions, $class);
        }
        if ($this->noWrap) {
            Html::addCssClass($this->headerOptions, GridView::NOWRAP);
            Html::addCssClass($this->pageSummaryOptions, GridView::NOWRAP);
            Html::addCssClass($this->footerOptions, GridView::NOWRAP);
        }
        if ($this->isValidAlignment('vAlign')) {
            $class = "kv-align-{$this->vAlign}";
            Html::addCssClass($this->headerOptions, $class);
            Html::addCssClass($this->pageSummaryOptions, $class);
            Html::addCssClass($this->footerOptions, $class);
        }
        if (trim($this->width) != '') {
            Html::addCssStyle($this->headerOptions, "width:{$this->width};");
            Html::addCssStyle($this->pageSummaryOptions, "width:{$this->width};");
            Html::addCssStyle($this->footerOptions, "width:{$this->width};");
        }
    }